Analysis of interatomic Contacts of Structural Units in PDB entry:
2QA5


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 2QA5 entry

There are 2 chains in PDB entry 2QA5 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 20LEU 304
B
 PHE 20LEU 304
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 19 helices in PDB entry 2QA5. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 35Right-handed alpha
Helix 2
2
A
49 59Right-handed alpha
Helix 3
3
A
116 134Right-handed alpha
Helix 4
4
A
161 172Right-handed alpha
Helix 5
5
A
183 187Right-handed 310
Helix 6
6
A
188 206Right-handed alpha
Helix 7
7
A
228 235Right-handed alpha
Helix 8
8
A
272 283Right-handed alpha
Helix 9
9
A
285 293Right-handed alpha
Helix 10
10
A
293 304Right-handed alpha
Helix 11
11
B
21 35Right-handed alpha
Helix 12
12
B
49 58Right-handed alpha
Helix 13
13
B
116 134Right-handed alpha
Helix 14
14
B
161 172Right-handed alpha
Helix 15
15
B
183 187Right-handed 310
Helix 16
16
B
188 206Right-handed alpha
Helix 17
17
B
224 235Right-handed alpha
Helix 18
18
B
272 283Right-handed alpha
Helix 19
19
B
285 303Right-handed alpha
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There are 4 sheets in PDB entry 2QA5. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
79 87first strand
Strand 2
A
92 100anti-parallel
Strand 3
A
36 43parallel
Strand 4
A
148 153parallel
Strand 5
A
177 181parallel
Strand 6
A
237 238parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
255 257first strand
Strand 2
A
262 264anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
79 86first strand
Strand 2
B
93 100anti-parallel
Strand 3
B
37 43parallel
Strand 4
B
148 153parallel
Strand 5
B
177 181parallel
Strand 6
B
237 238parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
255 258first strand
Strand 2
B
261 264anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il